<template>
  <div>
    <el-row type="flex" justify="end">
      <el-select v-model="currentYear" size="small" style="width: 120px" @change="yearChange">
        <el-option v-for="item in yearList" :key="item" :label="item" :value="item" />
      </el-select>
      <el-select v-model="currentMonth" size="small" style="width: 120px;margin-left:10px" @change="monthChange">
        <el-option v-for="item in 12" :key="item" :label="item" :value="item" />
      </el-select>
    </el-row>
    <el-row>
      <el-calendar v-model="nowDate">
        <template #dateCell="{ date, data }" class="content">
          <div class="date-content">
            <span class="text"> {{ data.day | getDay }}</span>
            <span v-if="isWeek(date)" class="rest">休</span>
          </div>
        </template>

      </el-calendar>
    </el-row>
  </div>
</template>
<script>
export default {
  filters: {
    getDay(day) {
      return Number(day.split('-')[2])
    }
  },
  data() {
    const nowDate = new Date()
    const currentMonth = nowDate.getMonth() + 1
    const currentYear = nowDate.getFullYear()
    const yearList = []
    for (let i = 0; i < 11; i++) {
      yearList.push(currentYear + i - 5)
    }
    return {
      nowDate,
      currentMonth,
      currentYear,
      yearList
    }
  },
  watch: {
    nowDate(newVal) {
      this.currentMonth = newVal.getMonth() + 1
      this.currentYear = newVal.getFullYear()
    }

  },
  methods: {
    isWeek(date) {
      return date.getDay() === 6 || date.getDay() === 0
    },
    yearChange(newYear) {
      this.nowDate = new Date(`${newYear}-${this.currentMonth}`)
    },
    monthChange(newMonth) {
      this.nowDate = new Date(`${this.currentYear}-${newMonth}`)
    }
  }

}
</script>

    <style lang="scss" scoped>
      ::v-deep .el-calendar-day {
      height:  auto;
      }
      ::v-deep .el-calendar-table__row td,::v-deep .el-calendar-table tr td:first-child,  ::v-deep .el-calendar-table__row td.prev{
      border:none;
      }
      .date-content {
      height: 40px;
      text-align: center;
      line-height: 40px;
      font-size: 14px;
      }
      .date-content .rest {
      color: #fff;
      border-radius: 50%;
      background: rgb(250, 124, 77);
      width: 20px;
      height: 20px;
      line-height: 20px;
      display: inline-block;
      font-size: 12px;
      margin-left: 10px;
      }
      .date-content .text{
      width: 20px;
      height: 20px;
      line-height: 20px;
      display: inline-block;

      }
      ::v-deep .el-calendar-table td.is-selected .text{
      background: #409eff;
      color: #fff;
      border-radius: 50%;
      }
      ::v-deep .el-calendar__header {
      display: none
      }
    </style>
